/**
 * 
 */
package org.shanktech.tshare.binlogsync.util;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringUtil implements ApplicationContextAware {

  private static ApplicationContext applicationContext = null;

  /*
   * (non-Javadoc)
   * 
   * @see
   * org.springframework.context.ApplicationContextAware#setApplicationContext(
   * org.springframework.context.ApplicationContext)
   */
  @Override
  public void setApplicationContext(ApplicationContext arg0)
      throws BeansException {
    if (SpringUtil.applicationContext == null) {
      SpringUtil.applicationContext = arg0;
    }

  }

  /**
   * 获取applicationContext
   * @return
   */
  public static ApplicationContext getApplicationContext() {
    return applicationContext;
  }

  /**
   * 通过name获取 Bean.
   * @param name
   * @return
   */
  public static Object getBean(String name) {
    return getApplicationContext().getBean(name);
  }

  /**
   * 通过class获取Bean.
   * @param clazz
   * @return
   */
  public static <T> T getBean(Class<T> clazz) {
    return getApplicationContext().getBean(clazz);
  }

  /**
   * 通过name,以及Clazz返回指定的Bean
   * @param name
   * @param clazz
   * @return
   */
  public static <T> T getBean(String name, Class<T> clazz) {
    return getApplicationContext().getBean(name, clazz);
  }

}
